including president obama. one of the things we'll look at is mandela's relationship with american presidents. also once he became a president. his work with bill clinton, george w. bush. he would tangle with presidents. he was very fierce critic of president bush on the issue of the iraq war. but also worked closely with him on the issue of aids. and he was also a great con solar of president clinton in his toughest times of the impeachment trial as well. we're going to look at all that today. also look at the -- really talk to some people who knew him very, very well. the human rights lawyer who helped draft a constitution of south africa. his pollster in the presidential elections. we're trying to look at the politician and his impact on american politics. >> not to take away his accomplishments, but the country is still plagued by problems. economic and racial. >> they're coming together for mandela. you have xik enequality. social inequality. 40% unemployment among young blacks. they know this moment is ti